Only validate dirty attributes
Only validate dirty attributes

To prevent unique-checking queries on every update

billmn/core,Luceos/core,Luceos/core,liukaijv/core,datitisev/core,vuthaihoc/core,liukaijv/core,utkarshx/core,jubianchi/core,malayladu/core,kidaa/core,renyuneyun/core,datitisev/core,Onyx47/core,datitisev/core,huytd/core,renyuneyun/core,zaksoup/core,Onyx47/core,billmn/core,falconchen/core,falconchen/core,Albert221/core,jubianchi/core,dungphanxuan/core,Luceos/core,huytd/core,dungphanxuan/core,malayladu/core,malayladu/core,billmn/core,Albert221/core,zaksoup/core,malayladu/core,kidaa/core,kirkbushell/core,Onyx47/core,flarum/core,dungphanxuan/core,kirkbushell/core,zaksoup/core,falconchen/core,flarum/core,utkarshx/core,Albert221/core,Luceos/core,renyuneyun/core,vuthaihoc/core,Albert221/core,kirkbushell/core,kirkbushell/core,datitisev/core,renyuneyun/core,flarum/core,vuthaihoc/core,kidaa/core